DevOps&SRE Library
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Библиотека статей по теме DevOps и SRE.

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Getting to the Core: Benchmarking Cloudflare’s Latest Server Hardware

https://blog.cloudflare.com/getting-to-the-core
Не хотелось бы оказаться Наташей в подобной ситуации? Как многие уже знают, этой осенью «Флант» представил свой Managed Kubernetes. Теперь можно получить кластеры K8s как услугу, размещая их в любой удобной инфраструктуре: у любимых российских и зарубежных облачных провайдеров, на своем железе (on-premises) и даже комбинируя эти варианты.

Все эти кластеры настраиваются согласно лучшим практикам известных специалистов и поставляются в по-настоящему готовом виде: внутри не просто «голый» Kubernetes, а интегрированная платформа, чтобы сразу запускать приложения в production. Продуманные (преднастроенные) метрики Prometheus и графики Grafana, автомасштабирование, усовершенствованный Nginx Ingress и балансировка трафика, автовыпуск SSL-сертификатов, веб-панель Kubernetes Dashboard… и вот это всё.

Плюс, конечно, поддержка от инженеров, которые специализируются именно на этом (а не ищут новую возможность продать свои облачные ресурсы). Всё это — по очень разумной цене, доступной не только для enterprise, но и небольшим компаниям и стартапам, уже понимающим, как им поможет Kubernetes.

Подробности (основные компоненты кластеров, онлайн-калькулятор, тарифы и уровни SLA) см. на сайте компании.
Ten Commandments of Egoless Programming

1. Understand and accept that you will make mistakes.
2. You are not your code.
3. No matter how much "karate" you know, someone else will always know more.
4. Don't rewrite code without consultation.
5. Treat people who know less than you with respect and patience.
6. The only constant in the world is change.
7. The only true authority stems from knowledge, not from position.
8. Fight for what you believe, but gracefully accept defeat.
9. Don't be "the guy in the room".
10. Critique code instead of people – be kind to the coder, not to the code.

https://blog.codonomics.com/2020/11/ten-commandments-of-egoless-programming.html
List of the best fonts for coding with live preview

https://devfonts.gafi.dev
kubectl-images

kubectl-images makes use of the kubectl command. It first calls kubectl get pods to retrieve pods details and filters out the container image information of each pod, then prints out the final result in a table view.

https://github.com/chenjiandongx/kubectl-images
PowerfulSeal

PowerfulSeal injects failure into your Kubernetes clusters, so that you can detect problems as early as possible. It allows for writing scenarios describing complete chaos experiments.

https://github.com/powerfulseal/powerfulseal
SRE Teams

How interesting companies build Site Reliability Engineering in the real-world.

Hash

Hash is a Brazilian fintech building the next-generation of payments infrastructure.

https://sreteams.substack.com/p/hash

Dafiti

Dafiti Group is the starting point of fashion in Latin America. 

https://sreteams.substack.com/p/dafiti

Creditas

Creditas is the leading 100% digital lending and consumer solutions platform in Latin America.

https://sreteams.substack.com/p/creditas

TOTVS

TOTVS is the largest technology company in Brazil.

https://sreteams.substack.com/p/totvs
ctlptl

ctlptl (pronounced "cattle paddle") is a CLI for declaratively setting up local Kubernetes clusters.

Inspired by kubectl and ClusterAPI's clusterctl, you declare your local cluster with YAML and use ctlptl to set it up.

https://github.com/tilt-dev/ctlptl
Concurrent and Distributed Systems

This course considers two closely related topics, Concurrent Systems and Distributed Systems, over 16 lectures. The aim of the first half of the course is to introduce concurrency control concepts and their implications for system design and implementation. The aims of the latter half of the course are to study the fundamental characteristics of distributed systems, including their models and architectures; the implications for software design; some of the techniques that have been used to build them; and the resulting details of good distributed algorithms and applications.

Course page: https://www.cst.cam.ac.uk/teaching/2021/ConcDisSys
Videos: https://www.youtube.com/playlist?list=PLeKd45zvjcDFUEv_ohr_HdUFe97RItdiB
Authentication between microservices using Kubernetes identities

https://learnk8s.io/microservices-authentication-kubernetes
illuminatio - The kubernetes network policy validator

illuminatio is a tool for automatically testing kubernetes network policies. Simply execute illuminatio clean run and illuminatio will scan your kubernetes cluster for network policies, build test cases accordingly and execute them to determine if the policies are in effect.

https://github.com/inovex/illuminatio
The 2020 State of the Octoverse

Ежегодный отчет от GitHub.

https://octoverse.github.com
The Tech Stack of a One-Man SaaS

https://panelbear.com/blog/tech-stack
ioping

A tool to monitor I/O latency in real time. It shows disk latency in the same way as ping shows network latency.

https://github.com/koct9i/ioping